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Define: Radius of curvature and centre o...

Define: Radius of curvature and centre of curvature

A

`(280)/(9) cm`

B

`(180)/(7) cm`

C

`(39)/(3) cm`

D

`(280)/(11) cm`

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The correct Answer is:
D
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RESONANCE ENGLISH-GEOMATRICAL OPTICS -Exercise-1
  1. Two planoconvex lenses each of the focal length of10cm&refractive inde...

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  2. A plano-convex lens when silvered in the plane side behaves like a con...

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  3. Define: Radius of curvature and centre of curvature

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  4. The focal length of a plano-concave lens is -10 cm , then its focal le...

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  5. A convex lens of focal length 80 cm and a concave lens of focal length...

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  6. The dispersion of light in a medium implies that :

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  7. Critical angle of light passing from glass to air is least for

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  8. A plane glass slab is placed over various coloured letters. The letter...

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  9. A medium has nv = 1.56, nr=1.44. Then its dispersive power is:

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  10. All the listed things below are made of flint glass. Which one of thes...

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  11. Light of wavelenght 4000 A is incident at small angle on a prim of ape...

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  12. A simple microscope has a focal length of 5 cm . The magnification at...

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  13. In a compound microscope, the intermediate image is

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  14. The resolving power of a telesope is more when its objective lens has

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  15. A Galileo telescope has an objective of focal length 100cm and magnif...

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  16. The convex lens is used in-

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  17. The magnifying power of a simple microscope can be increased, if we us...

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  18. The focal length of the objective lens of a compound microscope is

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  19. Resolving power of a microscope is given by

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  20. An astronomical telescope has an eyepiece of focal-length 5cm. If the ...

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